USA – NYC officials advise providers to look out for Legionnaires’ disease

Outbreak News Today

Legionella A

Image CDC

New York City health officials are advising providers to test for Legionella in adults with pneumonia, particularly patients who are > 50 years or have lung disease, immune-suppression, or a history of smoking.

Legionnaires’ disease follows a seasonal pattern in New York City, with an increased number of cases
reported from June to October each year.  NYC sees between 200 and 500 cases of Legionnaires’ disease each year.

While it remains a relatively rare infection, the rate of Legionnaires’ disease is increasing significantly in NYC. From 2007-2017, there was an 8.1% average increase in the rate of Legionnaires’ disease cases citywide each year.

The rate of Legionnaires’ disease increased significantly in all boroughs and demographic groups over this period.

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